Jami` at-Tirmidhi, Book 27, Hadith 9 (In-Book) ⓘ
(Another chain) From Ibn 'Umar: A man came to the Prophet and said: "O Messenger of Allah! I have been afflicted by a tremendous sin. Is there any repentance for me?" He said: "Do you have your mother?" The man said: "No." He said: "Do you have any maternal aunts?" The man said: "Yes." He said: "Then be dutiful to them."
حَدَّثَنَا أَبُو كُرَيْبٍ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنْ مُحَمَّدِ بْنِ سُوقَةَ، عَنْ أَبِي بَكْرِ بْنِ حَفْصٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَجُلاً، أَتَى النَّبِيَّ صلى الله عليه وسلم فَقَالَ يَا رَسُولَ اللَّهِ إِنِّي أَصَبْتُ ذَنْبًا عَظِيمًا فَهَلْ لِي مِنْ تَوْبَةٍ قَالَ " هَلْ لَكَ مِنْ أُمٍّ " . قَالَ لاَ . قَالَ " هَلْ لَكَ مِنْ خَالَةٍ " . قَالَ نَعَمْ . قَالَ " فَبِرَّهَا " . وَفِي الْبَابِ عَنْ عَلِيٍّ وَالْبَرَاءِ بْنِ عَازِبٍ .
also referenced under: Hadith 1904 (Reference) & Volume 4, Book 25, Hadith 1904 (DarusSalam)